zhuzhurk opened a new pull request #11774: [FLINK-17020][runtime] Introduce GlobalDataExchangeMode for JobGraph generation URL: https://github.com/apache/flink/pull/11774 ## What is the purpose of the change GlobalDataExchangeMode helps for finer tuning the job edge data exchange mode. More details see [FLIP-119#Global Data Exchange Mode](https://cwiki.apache.org/confluence/display/FLINK/FLIP-119+Pipelined+Region+Scheduling#FLIP-119PipelinedRegionScheduling-GlobalDataExchangeMode) ## Brief change log - *Introduce GlobalDataExchangeMode* - *Replace StreamGraph#blockingConnectionsBetweenChains with GlobalDataExchangeMode* - *Use StreamGraph#globalDataExchangeMode to determine undefined job edge shuffle modes* ## Verifying this change - *Added unit tests in StreamingJobGraphGeneratorTest* ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
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